Patients dizziness as soon as they soak in the hot spring, mainly consider the following reasons: 1, people in a high temperature environment, will lead to the peripheral capillaries appear dilated, a large amount of blood will enter the human venous system, and lead to a decline in effective circulating blood volume. If the patient is elderly or usually weak female patients, anemia, hypotension, when the blood volume reserve is not enough, it is easy to cause the patient’s cerebral blood supply has a shortage, so that the patient will appear dizzy symptoms; 2, dizziness when soaking in the hot spring, may be related to the patient sweating too much when soaking in the hot spring, resulting in the patient’s effective circulation blood volume is insufficient. So in this case the patient should not soak in the hot spring for too long, and should avoid soaking in the hot spring for too long, because it may lead to vertigo or syncope attacks.